PLATE XCL 



MUREX COSTA1TJS 



RIBBED MUREX. 

 GENERIC CHARACTER. 



Spiral, rough. The aperture ending in a strait and somewhat pro- 

 duced gutter or canaliculation. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Oblong, spires six, tapering, with eight longitudinal ribs. 



Buccinum canaliculatum parvum, anfractibus costis longitudinalibus 

 distinctis. Costatum. Da Costa. Tab. 8. 



fig- 4 - 



Murex costatus. Ribbed. Perm. Br. Zool. No. 100. tab. 79. 



fig- 1.4. 



This elegant little shell was first discovered by Mr. Pennant, on 

 the coast of Anglesea, and described under the name of Murex Cos- 

 tatus. In retaining this name it will be proper to observe, that 

 Gmelin, in his edition of the Systema Naturae, has another shell 



E 4 



